| Webster Groves to Sesimbra | 4,232.54 mi (6,811.61 km) |
| Webster Groves to Setubal | 4,239.76 mi (6,823.24 km) |
| Webster Groves to Sever do Vouga | 4,193.22 mi (6,748.34 km) |
| Webster Groves to Silves | 4,305.82 mi (6,929.55 km) |
| Webster Groves to Sines | 4,259.83 mi (6,855.54 km) |
| Webster Groves to Sintra | 4,207.23 mi (6,770.88 km) |
| Webster Groves to Sobrado de Paiva | 4,188.33 mi (6,740.47 km) |
| Webster Groves to Sobral de Monte Agraco | 4,211.37 mi (6,777.55 km) |
| Webster Groves to Soure | 4,202.60 mi (6,763.43 km) |
| Webster Groves to Tabua | 4,220.86 mi (6,792.82 km) |
| Webster Groves to Tavira | 4,346.09 mi (6,994.36 km) |
| Webster Groves to Tomar | 4,227.26 mi (6,803.12 km) |
| Webster Groves to Tondela | 4,213.32 mi (6,780.68 km) |
| Webster Groves to Torre de Moncorvo | 4,235.32 mi (6,816.09 km) |
| Webster Groves to Torres Novas | 4,226.09 mi (6,801.24 km) |
